The Dexes / Satellite Decay / 57047
CelestialObjectDex · Satellite Decay
SHIYAN-25 (SY-25)
57047 · 2026-04-03T14:15:31Z
Fixes
214
Observations
214
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:15:31.257792+00:00 |
|---|---|
| end_utc | 2026-08-23T11:34:41.137248+00:00 |
| family | celestialdex |
| norad_id | 57,047 |
| object_name | SHIYAN-25 (SY-25) |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 96.820 |
| n_snaps | 214 |
| span_days | 141.888 |
| mean_motion_first | 16.012 |
| mean_motion_last | 16.009 |
| delta_mean_motion | -0.002 |
| altitude_first_km | 271.233 |
| altitude_last_km | 271.899 |
| decay_rate_rev_day2 | -0.000 |
| altitude_decay_km_day | 0.000 |
| decay_note | mean_motion slope (rev/day^2) and altitude slope (km/day) from least-squares fit of measured GP elements; altitude from Kepler a=(GM/n^2)^(1/3) - R_earth |
| first_utc | 2026-04-03T14:15:31.257792+00:00 |
| last_utc | 2026-08-23T11:34:41.137248+00:00 |
| last_fix_utc | 2026-08-23T11:34:41.137248+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:15:31.257792+00:00","mean_motion":16.01150034,"altitude_km":271.233,"eccentricity":0.00153832,"inclination_deg":96.7472},{"utc":"2026-04-04T03:45:31.092768+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/57047.json